/*
 * Copyright (C) 2024 panpf <panpfpanpf@outlook.com>
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *   http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

package com.github.panpf.sketch.ability

import com.github.panpf.sketch.request.ImageResult
import com.github.panpf.sketch.util.MimeTypeMap

/**
 * Get the MIME type from the [ImageResult]
 *
 * @see com.github.panpf.sketch.extensions.core.common.test.ability.MimeTypeLogoTest.testGetMimeTypeFromImageResult
 */
fun getMimeTypeFromImageResult(result: ImageResult?, uri: String? = null): String? {
    var mimeType: String? = null
    if (result is ImageResult.Success) {
        mimeType = result.imageInfo.mimeType.takeIf { it.isNotEmpty() }
    }
    if (mimeType == null && result is ImageResult.Error) {
        mimeType =
            MimeTypeMap.getMimeTypeFromUrl(result.request.uri.toString())
                ?.takeIf { it.isNotEmpty() }
    }
    if (mimeType == null && uri != null) {
        mimeType = MimeTypeMap.getMimeTypeFromUrl(uri)?.takeIf { it.isNotEmpty() }
    }
    return mimeType
}